Breadcrumb Home > Dictionary > Index A assumptive: Meaning and Definition of Find definitions for: as•sump•tive Pronunciation: (u-sump'tiv), [key] — adj. taken for granted. characterized by assumption: an assumptive statement. presumptuous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: assumptive (Thesaurus) Assumptionist Assur ✖ Related Content Daily Word Quiz: quadrumanous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language